Twelfth graders test solutions to determine the parts per million and whether a lake is contaminated.

For this task, students are presented with a table and a graph and are asked to summarize the data and report the findings of a project by the Environmental Protection Agency to contain the effects of an invasive species on a fish...

This activity is designed for an Algebra II through Pre-Calculus classes and introduces the conic section- an ellipse. In this activity students explore an ellipse, the set of points in a plane such that the sum of the distances from...